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aFe Silver Bullet Throttle Body Spacers TBS BMW 5 Series (E60) 06-10 V8-4.8L aFe Silver Bullet Throttle Body Spacers TBS BMW 5 Series (E60) 06-10 V8-4.8L

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aFe Silver Bullet Throttle Body Spacers TBS BMW 5 Series (E60) 06-10 V8-4.8L

$139.95

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers...
aFe Silver Bullet Throttle Body Spacers TBS 14 BMW 435i (F32) / 12-15 BMW 335i (F30) BMW 335i (F30) aFe Silver Bullet Throttle Body Spacers TBS 14 BMW 435i (F32) / 12-15 BMW 335i (F30) BMW 335i (F30)

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aFe Silver Bullet Throttle Body Spacers TBS 14 BMW 435i (F32) / 12-15 BMW 335i (F30) BMW 335i (F30)

$139.95

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers...
aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo

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aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo

$139.95

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers...
aFe Silver Bullet Throttle Body Spacer 07-13 BMW 328i (E90/E91/E92/E93) L6-3.0L N52 aFe Silver Bullet Throttle Body Spacer 07-13 BMW 328i (E90/E91/E92/E93) L6-3.0L N52

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aFe Silver Bullet Throttle Body Spacer 07-13 BMW 328i (E90/E91/E92/E93) L6-3.0L N52

$139.95

The serrated/helix design (US PAT 07055513) creates turbulence in the intake manifold and increases air pressure in the combustion chamber for better performance. This unique entry design also reduces intake whistle that commonly occurs with...
aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) L4-2.0L N20/N26 aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) L4-2.0L N20/N26

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aFe Silver Bullet Throttle Body Spacer 12-15 BMW 328i (F30) L4-2.0L N20/N26

$139.95

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers...
aFe Silver Bullet Throttle Body Spacers TBS BMW 325i (E46) 01-06 L6-2.5L aFe Silver Bullet Throttle Body Spacers TBS BMW 325i (E46) 01-06 L6-2.5L

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aFe Silver Bullet Throttle Body Spacers TBS BMW 325i (E46) 01-06 L6-2.5L

$139.95

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers...
aFe Silver Bullet Throttle Body Spacers TBS BMW 335i (N54) 07-11 135i/535i 08-10 L6-3.0L (tt) aFe Silver Bullet Throttle Body Spacers TBS BMW 335i (N54) 07-11 135i/535i 08-10 L6-3.0L (tt)

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aFe Silver Bullet Throttle Body Spacers TBS BMW 335i (N54) 07-11 135i/535i 08-10 L6-3.0L (tt)

$139.95

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers...
aFe Silver Bullet Throttle Body Spacer N62 Only BMW (E53) 04-09 5series (E60) 04-09 6series (E63/64) aFe Silver Bullet Throttle Body Spacer N62 Only BMW (E53) 04-09 5series (E60) 04-09 6series (E63/64)

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aFe Silver Bullet Throttle Body Spacer N62 Only BMW (E53) 04-09 5series (E60) 04-09 6series (E63/64)

$139.95

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers...